Hashim Amla became the first South African captain to score a Test century in Sri Lanka but the home side had built a commanding lead of 150 runs by stumps on day three of the second and final Test in Colombo.

There is a thin line, in sport as in life, between pushing the law and breaking the law. Ball tampering at the moment is turning out to be an art in lingering right on that fine line, although it has no business to be there.

An unbeaten final session partnership of 96 between Kaushal Silva and Kumar Sangakkara has left the first Test between Sri Lanka and South Africa at Galle firmly in the balance going into the final day.

Vernon Philander has been fined 75 per cent of his match fee after admitting to a charge of 'changing the condition of the ball' - or ball-tampering - during day three of the first Test against South Africa in Galle.

Sri Lanka took four wickets in the final session of the opening day of the first Test against South Africa in Galle to leave the match evenly poised after Dean Elgar had earlier reached his century with a six.